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QY50K-II Main Technical Specifications
Technical Data for Lifting Operation

Classificatory	Item		Unit	Parameter
Outline dimension	Overall length		mm	13750
	Overall width		mm	2800
	Overall height		mm	3520
Mass	Dead weight in travel state		kg	41000
	Axle load	Front axle	kg	15000
		Rear axle	kg	26000
Travel performance	Max. travel speed		km/h	80
	Min. turning diameter		m	24
	Min. ground clearance		mm	291
	Approach angle		°	17
	Departure angle		°	11
	Max. grade-ability			40
	Fuel consumption for 100km		L	42
Power	Model			WD615.334(EuroIII)
	Engine rated output		kW/(r/min.)	247/(2200)
	Engine rated torque		N.m/(r/min.)	1350/(1400)
	Engine rated speed		rpm.	2200

Main Technical Data for Lifting Operation

Classificatory	Item	Unit	Parameter
Lifting performance	Max. total rated lifting capacity	t	50
	Min. rated working radius	m	3
	Turning radius at swing turntable tail	m	3.485
	Max. load moment	kN.m	1764
	Outrigger Longitudinal distance span	m	5.91
	Outrigger lateral distance span	m	6.9
	Base boom	m	11.3
	Fully extended boom	m	42.7
	Fully extended boom + Jib	m	57.7
Working speed	Boom elevating time	s	88
	Boom telescoping time	s	180
	Max. swing speed	r/min	2.0
	Winch mechanism speed(single rope)	m/min	110
	Auxiliary mechanism speed(single rope)	m/min	110

Total rated lifting load for boom,With oval-type section boom,Full-extend outrigger 6.9m (Table 1) Without the 5th outrigger,boom at the side or the rear,or with the 5th outrigger.360^o swing
Boom Length
Working radius (m)	Base boom 11.3m	Mid-extend boom 15.22m	Mid-extend boom 19.15m	Mid-extend boom 25.03m	Mid-extend boom 30.92m	Mid-extend boom 36.81m	Full-extend boom 42.7m
3	50000
3.5	50000
4	44000	40000	33000
4.5	40000	37000	31200	24500
5	36000	34000	29300	22500
5.5	31500	31000	27500	21000
6	26500	30000	26000	20000	16500
7	22000	25300	24000	18200	15000	12800
8	19400	19400	19400	16500	13800	12000
9	15400	15400	15400	15300	12500	11100	9000
10		12400	12400	13600	11300	10100	9000
12		8300	8300	9400	10100	8800	7800
14			5800	6800	7400	7800	6800
16			4000	5000	5600	6100	6000
18				3700	4300	4700	5000
20				2800	3300	3700	4000
22				2000	2500	2900	3200
24					1900	2300	2600
26					1400	1800	2000
28						1300	1600
30						900	1200
32							900
Parts of line	12	9	8	6	4	3	3
Min.boom angle	25.9^o	30.1^o	27.2^o	24.1^o	32.0^o	35.8^o	42.8^o
Max.boom angle	70.3^o	72.1^o	76.4^o	79.8^o	80.0^o	80.0^o	80.0^o
Weight of hook block	515kg

Total rated lifting load for jib,With oval-type section boom,Full-extend outrigger 6.9m(Table 2)
Full-extend outrigger,without the 5th outrigger,boom at the side or the rear,or with the 5th outrigger.360^o swing.

Boom 42.7m Lifting load(kg)
Boom angle (^o)	Offset angle
	Jib 8.5m			Jib 15m
	0^o	15^o	30^o	0^o	15^o	30^o
	Lifting Load(kg)	Lifting Load(kg)	Lifting Load(kg)	Lifting Load(kg)	Lifting Load(kg)	Lifting Load(kg)
78	4000	2700	2400	2500	1400	1100
75	3600	2500	2300	2100	1250	1000
72	3200	2300	2200	1800	1150	990
70	2900	2200	2100	1700	1100	950
65	2300	2000	1900	1400	950	850
60	1800	1600	1500	1100	800	750
55	1000	1000	900	800	700	650
50	600	500	500	500	400	400
Parts of line	1
Weight of hook block	100kg

Total rated lifting load for boom,With oval-type section boom,Half-extend outrigger 4.7m (Table 3) Without the 5th outrigger,boom at the side or the rear,or with the 5th outrigger.360^o swing
Boom Length
Working radius (m)	Base boom 11.3m	Mid-extend boom 15.22m	Mid-extend boom 19.15m	Mid-extend boom 25.03m	Mid-extend boom 30.92m	Mid-extend boom 36.81m	Full-extend boom 42.7m
3	46300
3.5	46300
4	46300	40000	33000
4.5	34400	34400	31200	24500
5	27000	27000	27000	22500
5.5	22000	22000	22000	21000
6	18300	18200	18200	19600	16500
7	13300	13200	13200	14400	15000	12800
8	10100	10000	10000	11100	11800	12000
9	7800	7700	7700	8800	9400	9900	9000
10		6100	6100	7100	7700	8100	8500
12		3800	3700	4700	5300	5700	6000
14			2200	3100	3700	4100	4400
16			1100	2000	2600	3000	3300
18				1200	1800	2100	2400
20				600	1100	1500	1700
22					600	1000	1200
24						500	800
26							500
Parts of line	12	9	8	6	4	3	3
Min.boom angle	25.9^o	30.1^o	27.2^o	34.1^o	45.3^o	50.7^o	54.4^o
Max.boom angle	70.3^o	72.1^o	76.4^o	79.8^o	80.0^o	80.0^o	80.0^o
Weight of hook block	515kg

Total rated lifting load for jib,With oval-type section boom,Full-extend outrigger 4.7m(Table 4)
Half-extend outrigger,without the 5th outrigger,boom at the side or the rear,or with the 5th outrigger.360^o swing.

Boom 42.7m Lifting load(kg)
Boom angle (^o)	Offset angle
	Jib 8.5m			Jib 15m
	0^o	15^o	30^o	0^o	15^o	30^o
	Lifting Load(kg)	Lifting Load(kg)	Lifting Load(kg)	Lifting Load(kg)	Lifting Load(kg)	Lifting Load(kg)
78	4000	2700	2400	2000	1400	1100
75	3600	2500	2300	2000	1250	1000
72	2800	2300	2200	1800	1150	950
70	2200	2000	1800	1700	1100	900
65	1200	1100	1100	900	700	600
60	600	500	500	300	200	200
Parts of line	1
Weight of hook block	100kg

Note1: The total rated capacity in the table is the max.allowable value(including the weight of the hook block and slings),The working radius is the actual value,which includes the boom deflection,wind pressure is 125N/m2,lifting operation is still permissible under the condition of wind level 5.
The total rated load is the max.lifting capacity for the boom head without jib,when jib is attached on boom head,the weight of jib should be reduced from the total rated for bom.
Take the above table as reference only,see the product operation manual for details.

Note2: All specifications on our web-site are subject to technical modifications without notice.

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